[Xen-API] [PATCH 0 of 8] [RFC] Tunnelling

[Rob Hoes <rob.hoes@xxxxxxxxxx>]

Hi,

To isolate network traffic between VMs (e.g. for security reasons) one can use 
VLANs. The number of possible VLANs on a network, however, is limited, and 
setting up a VLAN requires configuring the physical switches in the network. 
GRE tunnels provide a similar, though more flexible solution.

The wiki document at http://wiki.xensource.com/xenwiki/Tunnelling proposes a 
design that integrates the use of tunnelling in the XenAPI. The design relies 
on the recent introduction of the Open vSwitch in XCP, and requires an Open 
vSwitch (OpenFlow) controller (further referred to as "the controller") to set 
up and maintain the actual GRE tunnels. The following series of patches 
implements the XAPI part of this design.

Feedback is appreciated!

Thanks,
Rob


 ocaml/idl/datamodel.ml           |  54 ++++++++++++++++++++++++++++++++++-----
 ocaml/xapi/OMakefile             |   1 +
 ocaml/xapi/api_server.ml         |   1 +
 ocaml/xapi/message_forwarding.ml |  21 +++++++++++++++
 ocaml/xapi/xapi_tunnel.ml        |  24 +++++++++++++++++
 ocaml/xapi/xapi_tunnel.mli       |  25 ++++++++++++++++++
 ocaml/client_records/records.ml  |  23 +++++++++++++++++
 ocaml/xapi/cli_frontend.ml       |  18 +++++++++++++
 ocaml/xapi/cli_operations.ml     |  15 ++++++++++-
 ocaml/xapi/xapi_tunnel.ml        |  33 +++++++++++++++++++++--
 ocaml/xapi/xapi_vif_helpers.mli  |   5 ++-
 ocaml/idl/api_errors.ml          |   4 ++
 ocaml/idl/datamodel.ml           |   8 +++++
 ocaml/xapi/xapi_pif.ml           |  13 ++++++++-
 ocaml/xapi/xapi_tunnel.ml        |   8 +++++-
 ocaml/idl/datamodel.ml           |   3 ++
 ocaml/xapi/xapi_pool.ml          |   7 ++--
 ocaml/xapi/sync_networking.ml    |  52 +++++++++++++++++++++++++++++++++++++-
 ocaml/xapi/xapi_pif.ml           |  20 +++++++++++--
 ocaml/idl/api_errors.ml          |   1 +
 ocaml/idl/datamodel.ml           |   4 ++
 ocaml/xapi/xapi_pif.ml           |  15 +++++++++++
 22 files changed, 330 insertions(+), 25 deletions(-)

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